Properties of the Number 41542

Forty-One Thousand Five Hundred Forty-Two

Basics

Value: 41541 → 41542 → 41543

Parity: even

Prime: No

Previous Prime: 41539

Next Prime: 41543

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 20771

Divisors: 1, 2, 20771, 41542

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010001001000110

Octal: 121106

Duodecimal: 2005A

Hexadecimal: a246

Square: 1725737764

Square Root: 203.81854675176152

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Numbers n such that 5^A000010(n) == 1 (mod n²). A242959

Numbers k such that 5^k mod k = 5^k mod k². A125775

a(n) = n³ + 73·n² + n + 67. A163303

a(n) = smallest composite c such that n^A000010(c) == 1 (mod c²), i.e., smallest composite Wieferich number to base n. A247154

a(n) = [xⁿ] 2^2·n / ∏_k>=1 (1-x^k)^{2^(-k}). A256105

a(1) = 0 and a(n+1) > a(n) is the smallest integer such that a(n+1)²-a(n)² is triangular. A358416

Array read by antidiagonals: T(n,k) = number of (n+2) X (k+2) binary arrays with every 3 X 3 subblock commuting with each horizontal and vertical neighbor 3 X 3 subblock. A190033

Numerators of continued fraction convergents to sqrt(288). A41542